ladybird/Userland/Libraries/LibCore/DirIterator.h
Sam Atkins 774f328783 LibCore+Everywhere: Return an Error from DirIterator::error()
This also removes DirIterator::error_string(), since the same strerror()
string will be included when you print the Error itself. Except in `ls`
which is still using fprintf() for now.
2023-03-05 20:23:42 +01:00

49 lines
1.1 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <LibCore/DirectoryEntry.h>
#include <dirent.h>
#include <string.h>
namespace Core {
class DirIterator {
public:
enum Flags {
NoFlags = 0x0,
SkipDots = 0x1,
SkipParentAndBaseDir = 0x2,
};
explicit DirIterator(DeprecatedString path, Flags = Flags::NoFlags);
~DirIterator();
DirIterator(DirIterator&&);
DirIterator(DirIterator const&) = delete;
bool has_error() const { return m_error.has_value(); }
Error error() const { return Error::copy(m_error.value()); }
bool has_next();
Optional<DirectoryEntry> next();
DeprecatedString next_path();
DeprecatedString next_full_path();
int fd() const;
private:
DIR* m_dir = nullptr;
Optional<Error> m_error;
Optional<DirectoryEntry> m_next;
DeprecatedString m_path;
int m_flags;
bool advance_next();
};
}